- Johanna Konta (GBR) defeated Naomi Osaka (JAP) 6-4 6-2
- Caroline Wozniacki (DEN) defeated Donna Vekic (CRO) 6-1 6-3
- Denis Istomin (UZB) defeated (2) Novak Djokovic (SRB) 7-6 5-7 2-6 7-6 6-4
- Serena Williams (USA) defeated Lucie Safarova (CZE) 6-3 6-4
- Rafael Nadal (ESP) defeated Marcos Baghdatis (CYP) 6-3 6-1 6-3
- Karolina Pliskova (CZE) defeated Anna Blinkova (RUS) 6-0 6-2
- Dominika Cibulkova (SVK) defeated Su-Wei Hsieh (TPE) 6-4 7-6
- Milos Raonic (CRO) defeated Gilles Muller (LUX) 6-3 6-4 7-6
- Mirjana Lucic-Baroni (CRO) defeated (3) Agnieszka Radwanska (POL) 6-3 6-2
- Dominic Thiem (AUT) defeated Jordan Thompson (AUS) 6-2 6-1 6-7 6-4
- Ekaterina Makarova (RUS) defeated Sara Errani (ITA) 6-3 3-2 (retired)
- Grigor Dimitov (BUL) defeated Hyeon Chung (KOR) 1-6 6-4 6-4 6-4
- Gael Monfils (FRA) defeated Alexandr Dolgopolov (UKR) 6-3 6-4 1-6 6-0
- Daria Gavrilova (AUS) defeated Ana Konjuh (CRO) 6-2 1-6 6-4
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